Error during start: [Errno 2] No such file or directory: 'd:\\flow\\flow\\core\\kernel\\network/debug/cfg/ring_example_20201130-1543421606722222.2469628.net.xml'

Question

Error during start: [Errno 2] No such file or directory: 'd:\\flow\\flow\\core\\kernel\\network/debug/cfg/ring_example_20201130-1543421606722222.2469628.net.xml'

zhilee2019 opened this issue 4 years ago · 12 comments

zhilee2019 commented 4 years ago

Bug Description

Hi when I ran tutorials, I got the following error.

Bug Reproduce

Ran Tutorial 01: Running Sumo Simulations

Output Log

Full error output log:

TypeError Traceback (most recent call last)
in ()
14 # number of time steps
15 flow_params['env'].horizon = 3000
---> 16 exp = Experiment(flow_params)
17
18 # run the sumo simulation

d:\flow\flow\core\experiment.py in init(self, flow_params, custom_callables)
77
78 # Create the environment.
---> 79 self.env = create_env()
80
81 logging.info(" Starting experiment {} at {}".format(

d:\flow\flow\utils\registry.py in create_env(*_)
128 })
129
--> 130 return gym.envs.make(env_name)
131
132 return create_env, env_name

D:\MiniConda\envs\flow\lib\site-packages\gym-0.14.0-py3.7.egg\gym\envs\registration.py in make(id, **kwargs)
154
155 def make(id, **kwargs):
--> 156 return registry.make(id, **kwargs)
157
158 def spec(id):

D:\MiniConda\envs\flow\lib\site-packages\gym-0.14.0-py3.7.egg\gym\envs\registration.py in make(self, path, **kwargs)
99 logger.info('Making new env: %s', path)
100 spec = self.spec(path)
--> 101 env = spec.make(**kwargs)
102 # We used to have people override _reset/_step rather than
103 # reset/step. Set _gym_disable_underscore_compat = True on

D:\MiniConda\envs\flow\lib\site-packages\gym-0.14.0-py3.7.egg\gym\envs\registration.py in make(self, kwargs)
71 else:
72 cls = load(self.entry_point)
---> 73 env = cls(_kwargs)
74
75 # Make the enviroment aware of which spec it came from.

d:\flow\flow\envs\ring\accel.py in init(self, env_params, sim_params, network, simulator)
78 self.absolute_position = dict()
79
---> 80 super().init(env_params, sim_params, network, simulator)
81
82 @Property

d:\flow\flow\envs\base.py in init(self, env_params, sim_params, network, simulator, scenario)
162 # use the network class's network parameters to generate the necessary
163 # network components within the network kernel
--> 164 self.k.network.generate_network(self.network)
165
166 # initial the vehicles kernel using the VehicleParams object

d:\flow\flow\core\kernel\network\traci.py in generate_network(self, network)
144 self.network.edges,
145 self.network.types,
--> 146 connections
147 )
148

d:\flow\flow\core\kernel\network\traci.py in generate_net(self, net_params, traffic_lights, nodes, edges, types, connections)
529 print('Retrying in {} seconds...'.format(WAIT_ON_ERROR))
530 time.sleep(WAIT_ON_ERROR)
--> 531 raise error
532
533 def generate_net_from_osm(self, net_params):

TypeError: exceptions must derive from BaseException

Screenshots

Screenshots:

Versions

OS: ? (For example, RedHat, macOS Mojave, ...]
Flow version: ? (run python -c "import flow; print(flow.__version__)")
Flow commit number: ? (run git log and copy the commit number)

Answer 1 · 2020-11-30T09:27:29.000Z

I have found the problem. It is beacuse of subprocess call didn't create the xml file via netconvert. It's ok now! Thanks

Answer 2 · 2021-09-08T09:56:55.000Z

I have found the problem. It is beacuse of subprocess call didn't create the xml file via netconvert. It's ok now! Thanks

So how can i solve this problem????

Answer 3 · 2021-10-21T02:01:36.000Z

I have found the problem. It is beacuse of subprocess call didn't create the xml file via netconvert. It's ok now! Thanks

So how can i solve this problem????

Hi. I've found this problem, too.
Cause: 'netconver -c' was not successfully executed in the middle of subprocess.call() in the flow/core/kernel/network/traci .py. The main reason is a ''' problem in the path.
I'm running under Windows .
My method: the path front of the 'r' blocks escape

Answer 4 · 2021-12-20T11:44:13.000Z

please

I have found the problem. It is beacuse of subprocess call didn't create the xml file via netconvert. It's ok now! Thanks

So how can i solve this problem????

Hi. I've found this problem, too. Cause: 'netconver -c' was not successfully executed in the middle of subprocess.call() in the flow/core/kernel/network/traci .py. The main reason is a ''' problem in the path. I'm running under Windows . My method: the path front of the 'r' blocks escape

please, could you send me traci.py file after your modification because I have the same problem
my e-mail: marwa.elharoun@mans.edu.eg

Answer 5 · 2021-12-21T01:51:17.000Z

please

I have found the problem. It is beacuse of subprocess call didn't create the xml file via netconvert. It's ok now! Thanks

So how can i solve this problem????

Hi. I've found this problem, too. Cause: 'netconver -c' was not successfully executed in the middle of subprocess.call() in the flow/core/kernel/network/traci .py. The main reason is a ''' problem in the path. I'm running under Windows . My method: the path front of the 'r' blocks escape

please, could you send me traci.py file after your modification because I have the same problem my e-mail: marwa.elharoun@mans.edu.eg

The email has been sent, please check it.

Answer 6 · 2022-04-07T03:04:44.000Z

please

I have found the problem. It is beacuse of subprocess call didn't create the xml file via netconvert. It's ok now! Thanks

So how can i solve this problem????

Hi. I've found this problem, too. Cause: 'netconver -c' was not successfully executed in the middle of subprocess.call() in the flow/core/kernel/network/traci .py. The main reason is a ''' problem in the path. I'm running under Windows . My method: the path front of the 'r' blocks escape

please, could you send me traci.py file after your modification because I have the same problem my e-mail: marwa.elharoun@mans.edu.eg

The email has been sent, please check it.

I would appreciate that if you can send a traci.py file to yp1170@nyu.edu as well! And may I ask if there's any following issues?

Answer 7 · 2022-10-17T09:32:46.000Z

@Yicen-y please, could you send me traci.py file after your modification because I have the same problem my e-mail: [1143764699@qq.com]

Answer 8 · 2022-10-21T01:06:26.000Z

@Yicen-y please, could you send me traci.py file after your modification because I have the same problem my e-mail: [1143764699@qq.com]

The email has been sent, please check it.

Answer 9 · 2022-10-21T01:07:13.000Z

please

I have found the problem. It is beacuse of subprocess call didn't create the xml file via netconvert. It's ok now! Thanks

So how can i solve this problem????

Hi. I've found this problem, too. Cause: 'netconver -c' was not successfully executed in the middle of subprocess.call() in the flow/core/kernel/network/traci .py. The main reason is a ''' problem in the path. I'm running under Windows . My method: the path front of the 'r' blocks escape

please, could you send me traci.py file after your modification because I have the same problem my e-mail: marwa.elharoun@mans.edu.eg

The email has been sent, please check it.

I would appreciate that if you can send a traci.py file to yp1170@nyu.edu as well! And may I ask if there's any following issues?

The email has been sent, please check it.

Answer 10 · 2022-11-16T09:13:18.000Z

@Yicen-y Hi, I have the same problem, could you send me traci.py file? I do appreciate your kindness.
my email: f110151119@nkust.edu.tw

Answer 11 · 2023-02-02T03:09:47.000Z

@Yicen-y Hi Yicen, could you please copy and paste the updated part of traci.py in the comment so others could see it? Thanks!

Answer 12 · 2023-11-10T23:55:09.000Z

Hi, I have the same problem. Could you please send me traci.py file? I do appreciate your kindness. My email: hamed.naseri.civ@gmail.com.